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Thread: Plant turning yellow

  1. #21
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    Re: Plant turning yellow

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    My plant after cutting off black patches, still grow more black patches
    how to save it?

  2. #22
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    Re: Plant turning yellow

    Quote Originally Posted by Cmlee View Post
    My plant after cutting off black patches, still grow more black patches
    how to save it?
    What kind of plant, where are the black patches and how do you cut them? A photo and more detailed description would help.
    :: Urban Aquaria ::
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  3. #23
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    Re: Plant turning yellow

    It's java fern I think . The black patches comes every where on the leave of the plant.
    i used to cut off top of the leave that have black patches , now it's all over the leaves

  4. #24
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    Re: Plant turning yellow

    Quote Originally Posted by Cmlee View Post
    It's java fern I think . The black patches comes every where on the leave of the plant.
    i used to cut off top of the leave that have black patches , now it's all over the leaves
    Black spots or patches on java fern leaves could be the spores where baby plantlets grow from... those are a normal part of the plant.

    A photo of your plants will really help to identify and confirm it though.
    Last edited by Urban Aquaria; 30th Aug 2014 at 17:57.
    :: Urban Aquaria ::
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  5. #25
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    Re: Plant turning yellow

    It's like this
    Attached Images Attached Images

  6. #26
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    Re: Plant turning yellow

    Quote Originally Posted by Cmlee View Post
    It's like this
    Okay, those black patches look like damaged or rotted portions of the leaf, it occurs sometimes on older leaves, so you can just trim them away to encourage the growth of new healthier leaves.

    Don't just cut part of the leaf, they will not regrow the cut parts, it'll just continue deteriorating... you need to cut away the whole leaf at the base of each leaf stem.

    Alternatively, the black patches could also be algae too (perhaps the beginnings of BBA), just use your finger to test and see if you can rub it off.
    :: Urban Aquaria ::
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  7. #27
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    Re: Plant turning yellow

    Every leaf is 1 stem and the whole bunch is turning black patches

  8. #28
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    Re: Plant turning yellow

    Yeah, just trim away the entire leaves that have black patches... if the rhizome is healthy, it will be able to regrow new healthier green leaves.
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  9. #29
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    Re: Plant turning yellow

    My plant are getting sicker



    what did i done wrong ?
    I'm A Newbie Pls Don't Flame Me


  10. #30
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    Re: Plant turning yellow

    Looks like a normal anubias leaf but just with the usual green spot algae (GSA) peppering the surface and black beard algae (BBA) growing around the leaf edges... its quite common with anubias since they are so slow growing.

    The solution is to reduce the intensity of light shining directly on the leaf surface, maybe use some floating plants to block the lights... keep the anubias under a more shade-like environment, helps slow down algae growth on their leaves.

    To tackle the existing BBA and GSA algae, shrimps can't help much with those so you have to look at "specialist" algae eaters... consider adding a small SAE to nibble on the BBA, can also try adding horned nerite snails to munch on the GSA (place them on the affected leaves and see if they can be effective).

    For those affected leaves that already have tears and holes, just cut them off, they will not recover the physical damage anyway. Let the plant redirect resources to grow new healthy leaves instead.

    Increasing Co2 injection (if possible), improving circulation and doing more frequent water changes can help flush out excess nutrients that may have been accumulating and contributing to the general algae growth.

    Lastly, can try algae treatments like AlgExit, they can help inhibit the algae growth and gradually kill the algae, making it easier for your various algae eaters to consume and clear them.
    Last edited by Urban Aquaria; 21st Oct 2014 at 18:59.
    :: Urban Aquaria ::
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  11. #31
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    Re: Plant turning yellow

    Quote Originally Posted by Urban Aquaria View Post
    Looks like a normal anubias leaf but just with the usual green spot algae (GSA) peppering the surface and black beard algae (BBA) growing around the leaf edges... its quite common with anubias since they are so slow growing.

    The solution is to reduce the intensity of light shining directly on the leaf surface, maybe use some floating plants to block the lights... keep the anubias under a more shade-like environment, helps slow down algae growth on their leaves.

    To tackle the existing BBA and GSA algae, shrimps can't help much with those so you have to look at "specialist" algae eaters... consider adding a small SAE to nibble on the BBA, can also try adding horned nerite snails to munch on the GSA (place them on the affected leaves and see if they can be effective).

    For those affected leaves that already have tears and holes, just cut them off, they will not recover the physical damage anyway. Let the plant redirect resources to grow new healthy leaves instead.

    Increasing Co2 injection (if possible), improving circulation and doing more frequent water changes can help flush out excess nutrients that may have been accumulating and contributing to the general algae growth.

    Lastly, can try algae treatments like AlgExit, they can help inhibit the algae growth and gradually kill the algae, making it easier for your various algae eaters to consume and clear them.
    Hi thanks for the reply do i need to trim some of the leaves if there's holes ?
    I'm A Newbie Pls Don't Flame Me


  12. #32
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    Re: Plant turning yellow

    My fern also have black spots

    IMG_1238.jpg
    I'm A Newbie Pls Don't Flame Me


  13. #33
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    Re: Plant turning yellow

    Quote Originally Posted by takaco View Post
    Hi thanks for the reply do i need to trim some of the leaves if there's holes ?
    Yes, trim away those leaves with holes... the holes will not recover anyways.


    Quote Originally Posted by takaco View Post
    My fern also have black spots

    IMG_1238.jpg
    Wah... looks like bad algae infestation on those leaves, can see beard/fuzz algae growing on the leaf edges too, no choice you'll have to cut away those affect leaves.
    :: Urban Aquaria ::
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  14. #34
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    Re: Plant turning yellow

    If i cut all my leaves that seem to be rotten/algae infestation will the leaves grown back ?
    I'm A Newbie Pls Don't Flame Me


  15. #35
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    Re: Plant turning yellow

    Quote Originally Posted by takaco View Post
    If i cut all my leaves that seem to be rotten/algae infestation will the leaves grown back ?
    Yes, those are rhizome plants, if their rhizomes are healthy they will grow new leaves again within a short time.

    Like i mentioned previously, i've trimmed off all the leaves on new anubias plants before (those that came with leaves in very poor condition), totally botak only left the rhizome stump... after a few days can see new healthy leaves sprouting out.
    :: Urban Aquaria ::
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